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clone 音标拼音: [kl'on]
n. 无性系 无性系 clone n 1: a person who is almost identical to another [synonym: {ringer}, {dead ringer}, {clone}] 2: a group of genetically identical cells or organisms derived from a single cell or individual by some kind of asexual reproduction [synonym: {clone}, {clon}] 3: an unauthorized copy or imitation [synonym: {knockoff}, {clone}] v 1: make multiple identical copies of; "people can clone a sheep nowadays" clone \clone\ v. t. 1. (Biol.) to make a clone from; to make identical copies of an organism by a non-sexual process of reproduction. [WordNet 1.5] 2. (Microbiol.) to grow colonies of a microorganism by spreading a suspension of the microorganism onto a solid growth medium (such as in a Petri dish), at a concentration such that individual colonies will grow from single cells sufficiently well separated from other colonies so that pure cultures derived from a single organism can be isolated. [WordNet 1.5] 3. (Biochem.) to make large quantities of a segment of DNA by inserting it, using biochemical techniques, into the DNA of a microorganism, and growing that microorganism in large numbers; as, to clone the gene for growth hormone. [PJC] clone \clone\ (kl[=o]n), n. 1. (Biol.) a group of organisms derived from a single individual by some kind of asexual reproduction; -- used mostly of microorganisms such as bacteria and yeast. Syn: clon. [WordNet 1.5] 2. (Biol.) an individual organism containing a genetic complement identical to that of another organism, produced by using the genetic material from the second animal in a non-sexual reproduction process. [PJC] 3. something virtually identical to another object. [PJC] 31 Moby Thesaurus words for "clone": Photostat, Xerox, copy, counterpart, ditto, double, dupe, duplicate, duplication, facsimile, hectograph, manifold, microcopy, microfilm, mimeo, mimeograph, model, multigraph, quadruplicate, reduplicate, repetition, replica, replicate, replication, representation, reproduce, reproduction, stat, trace, transcribe, triplicate illegally, from {documentation} or by {reverse engineering}, and usually cheaper. E.g. "PC clone": a PC-BUS/{ISA}, {EISA}, {VESA}, or {PCI} compatible {x86}-based {microcomputer} (this use is sometimes misspelled "klone" or "PClone"). These invariably have much more bang per buck than the {IB PCM} they resemble. E.g. "Unix clone": An {operating system} designed to deliver a {Unix}-like environment without Unix licence fees or with additional "mission-critical" features such as support for {real-time} programming. 2. [{Jargon File}] (2000-06-15) clone: n. 1. An exact duplicate: “Our product is a clone of their product.” Implies a legal reimplementation from documentation or by reverse-engineering. Also connotes lower price.
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